Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11758966 | Face mask shock-mounted to helmet shell | Robert J. Michael | 2023-09-19 |
| 11229256 | Face mask shock-mounted to helmet shell | Robert J. Michael | 2022-01-25 |
| 10226094 | Helmet for tangential and direct impacts | Robert J. Michael | 2019-03-12 |
| 10143256 | Protective helmet for lateral and direct impacts | — | 2018-12-04 |
| 9370215 | Helmet cover | Frank Lytle | 2016-06-21 |
| 8776272 | Helmet cover | Frank Lytle | 2014-07-15 |
| 7533858 | Furniture glide | — | 2009-05-19 |
| 7328462 | Protective helmet | — | 2008-02-12 |
| D545229 | Smoke alarm detector | Richard J. Roby, Michael S. Klassen, Leo Eskin, MacLain M. Holton | 2007-06-26 |
| 6857711 | Stabilized cabinet enclosure and stabilizer therefor | — | 2005-02-22 |
| 4937888 | Helmet cover | — | 1990-07-03 |
| 4677728 | Roll edge protector | — | 1987-07-07 |
| 4494273 | Swing control hinge | — | 1985-01-22 |
| 4384703 | Handle for magnetically actuated valve | Robert F. Ruyak, Larry R. Rosio, Theodore R. Silver | 1983-05-24 |
| 4347866 | Ballcock assembly | — | 1982-09-07 |
| 4340082 | Adjustable ballcock standpipe assembly | — | 1982-07-20 |
| 4286619 | Ballcock assembly | — | 1981-09-01 |